Home / 12,684,874.88-17,505,139.20-7,252,480.64

Finding the Fourth Proportional to 12,684,874.88, 17,505,139.20 and 7,252,480.64

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Solution

The fourth proportional to 12,684,874.88, 17,505,139.20 and 7,252,480.64 is: 10,008,430.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,684,874.88 : 17,505,139.20 = 7,252,480.64 : x
  2. Step 2: Convert to fraction form
    12,684,874.88/17,505,139.20 = 7,252,480.64/x
  3. Step 3: Cross multiply
    12,684,874.88x = 17,505,139.20 × 7,252,480.64
  4. Step 4: Simplify right side
    12,684,874.88x = 126,955,683,148,505.08
  5. Step 5: Solve for x
    x = 126,955,683,148,505.08/12,684,874.88
  6. Step 6: Final answer
    x = 10,008,430.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.